Mercury Quicksilver MerCruiser 25-30224 Genuine OEM MCM/ MIE Thermostat O-Ring

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  • Regular price $5.95
  • Will be in stock after


  • Genuine OEM Mercury Quicksilver MerCruiser Parts  
  • Thermostat O-Ring 
  • For use with: MCM/MIE GM V-6 & V-8 engines, for thermostat housing with flat cover plate. 
  • Manufacturer: Mercury, Quicksilver, MerCruiser
  • Model Number: O-Ring
  • Part Number: 25-30224
  • Also Known As: 2530224
  • Also Known As: Sierra 18-7173